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2001-12-13  Thorsten Kukuk  <kukuk@suse.de>

	* sysdeps/posix/cuserid.c (cuserid): If we don't find the UID,
	but have a user supplied buffer, return the empty buffer, not NULL.
This commit is contained in:
Ulrich Drepper 2001-12-14 07:02:23 +00:00
parent 0838e0b926
commit 9b63f5b4fa
3 changed files with 25 additions and 17 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2001-12-13 Thorsten Kukuk <kukuk@suse.de>
* sysdeps/posix/cuserid.c (cuserid): If we don't find the UID,
but have a user supplied buffer, return the empty buffer, not NULL.
2001-12-13 Ulrich Drepper <drepper@redhat.com>
* crypt/md5.c (md5_process_bytes): Correct handling of alignment.

33
linuxthreads/specific.c
View File

@ -102,25 +102,28 @@ int pthread_key_delete(pthread_key_t key)
/* Set the value of the key to NULL in all running threads, so
that if the key is reallocated later by pthread_key_create, its
associated values will be NULL in all threads. */
associated values will be NULL in all threads.
{
struct pthread_key_delete_helper_args args;
struct pthread_request request;
Do nothing if no threads have been created yet. */
args.idx1st = key / PTHREAD_KEY_2NDLEVEL_SIZE;
args.idx2nd = key % PTHREAD_KEY_2NDLEVEL_SIZE;
args.self = 0;
if (__pthread_manager_request != -1)
{
struct pthread_key_delete_helper_args args;
struct pthread_request request;
request.req_thread = self;
request.req_kind = REQ_FOR_EACH_THREAD;
request.req_args.for_each.arg = &args;
request.req_args.for_each.fn = pthread_key_delete_helper;
args.idx1st = key / PTHREAD_KEY_2NDLEVEL_SIZE;
args.idx2nd = key % PTHREAD_KEY_2NDLEVEL_SIZE;
args.self = 0;
TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request,
(char *) &request, sizeof(request)));
suspend(self);
}
request.req_thread = self;
request.req_kind = REQ_FOR_EACH_THREAD;
request.req_args.for_each.arg = &args;
request.req_args.for_each.fn = pthread_key_delete_helper;
TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request,
(char *) &request, sizeof(request)));
suspend(self);
}
pthread_mutex_unlock(&pthread_keys_mutex);
return 0;

4
sysdeps/posix/cuserid.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1996, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1996, 1998, 1999, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -39,7 +39,7 @@ cuserid (s)
{
if (s != NULL)
s[0] = '\0';
return NULL;
return s;
}
if (s == NULL)